Making window.focus() work in Chrome

chrome/browser/browser_window.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_BROWSER_WINDOW_H_
 #define CHROME_BROWSER_BROWSER_WINDOW_H_
 #pragma once
 
 #include "chrome/browser/tab_contents/navigation_entry.h"
 #include "chrome/common/content_settings_types.h"
@@ skipping 42 matching lines @@
   // that the Browser is not immediately destroyed, but will be eventually
   // destroyed by other means (eg, the tab strip going to zero elements).
   // Bad things happen if the Browser dtor is called directly as a result of
   // invoking this method.
   virtual void Close() = 0;
 
   // Activates (brings to front) the window. Restores the window from minimized
   // state if necessary.
   virtual void Activate() = 0;
 
+  // Deactivates the window, making the next window in the Z order the active
+  // window.
+  virtual void Deactivate() = 0;
+
   // Returns true if the window is currently the active/focused window.
   virtual bool IsActive() const = 0;
 
   // Flashes the taskbar item associated with this frame.
   virtual void FlashFrame() = 0;
 
   // Return a platform dependent identifier for this frame. On Windows, this
   // returns an HWND.
   virtual gfx::NativeWindow GetNativeHandle() = 0;
 
@@ skipping 280 matching lines @@
 
   // Returns the ToolbarView.
   virtual ToolbarView* GetToolbarView() const = 0;
 #endif
 
  protected:
   virtual ~BrowserWindowTesting() {}
 };
 
 #endif  // CHROME_BROWSER_BROWSER_WINDOW_H_